/* cd_sdl.c SDL CD audio routines Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_WINDOWS_H # include #endif #ifdef HAVE_STRING_H #include #endif #ifdef HAVE_STRINGS_H #include #endif #include #include "cdaudio.h" #include "cmd.h" #include "console.h" #include "qargs.h" #include "sound.h" static qboolean cdValid = false; static qboolean initialized = false; static qboolean enabled = true; static qboolean playLooping = false; static SDL_CD *cd_id; static float cdvolume = 1.0; static void CD_f (void); static void CDAudio_Eject (void) { if (!cd_id || !enabled) return; if (SDL_CDEject (cd_id)) Con_DPrintf ("Unable to eject CD-ROM tray.\n"); } void CDAudio_Play (byte track, qboolean looping) { /* Initialize cd_stat to avoid warning */ /* XXX - Does this default value make sense? */ CDstatus cd_stat = CD_ERROR; if (!cd_id || !enabled) return; if (!cdValid) { if (!CD_INDRIVE (cd_stat = SDL_CDStatus (cd_id)) || (!cd_id->numtracks)) return; cdValid = true; } if ((track < 1) || (track >= cd_id->numtracks)) { Con_DPrintf ("CDAudio: Bad track number: %d\n", track); return; } track--; /* Convert track from person to SDL value */ if (cd_stat == CD_PLAYING) { if (cd_id->cur_track == track) return; CDAudio_Stop (); } if (SDL_CDPlay (cd_id, cd_id->track[track].offset, cd_id->track[track].length)) { Con_DPrintf ("CDAudio_Play: Unable to play track: %d\n", track + 1); return; } playLooping = looping; } void CDAudio_Stop (void) { int cdstate; if (!cd_id || !enabled) return; cdstate = SDL_CDStatus (cd_id); if ((cdstate != CD_PLAYING) && (cdstate != CD_PAUSED)) return; if (SDL_CDStop (cd_id)) Con_DPrintf ("CDAudio_Stop: Failed to stop track.\n"); } void CDAudio_Pause (void) { if (!cd_id || !enabled) return; if (SDL_CDStatus (cd_id) != CD_PLAYING) return; if (SDL_CDPause (cd_id)) Con_DPrintf ("CDAudio_Pause: Failed to pause track.\n"); } void CDAudio_Resume (void) { if (!cd_id || !enabled) return; if (SDL_CDStatus (cd_id) != CD_PAUSED) return; if (SDL_CDResume (cd_id)) Con_DPrintf ("CDAudio_Resume: Failed tp resume track.\n"); } void CDAudio_Update (void) { if (!cd_id || !enabled) return; if (bgmvolume->value != cdvolume) { if (cdvolume) { Cvar_SetValue (bgmvolume, 0.0); CDAudio_Pause (); } else { Cvar_SetValue (bgmvolume, 1.0); CDAudio_Resume (); } cdvolume = bgmvolume->value; return; } if (playLooping && (SDL_CDStatus (cd_id) != CD_PLAYING) && (SDL_CDStatus (cd_id) != CD_PAUSED)) CDAudio_Play (cd_id->cur_track + 1, true); } int CDAudio_Init (void) { #ifdef UQUAKE if (cls.state == ca_dedicated) return -1; #endif if (COM_CheckParm ("-nocdaudio")) return -1; if (SDL_Init (SDL_INIT_CDROM) < 0) { Con_Printf ("Couldn't initialize SDL CD-AUDIO: %s\n", SDL_GetError ()); return -1; } cd_id = SDL_CDOpen (0); if (!cd_id) { Con_Printf ("CDAudio_Init: Unable to open default CD-ROM drive: %s\n", SDL_GetError ()); return -1; } initialized = true; enabled = true; cdValid = true; if (!CD_INDRIVE (SDL_CDStatus (cd_id))) { Con_Printf ("CDAudio_Init: No CD in drive.\n"); cdValid = false; } if (!cd_id->numtracks) { Con_Printf ("CDAudio_Init: CD contains no audio tracks.\n"); cdValid = false; } Cmd_AddCommand ("cd", CD_f, "Control the CD player.\n" "Commands:\n" "eject - Eject the CD.\n" "info - Reports information on the CD.\n" "loop (track number) - Loops the specified track.\n" "remap (track1) (track2) ... - Remap the current track order.\n" "reset - Causes the CD audio to re-initialize.\n" "resume - Will resume playback after pause.\n" "off - Shuts down the CD audio system..\n" "on - Re-enables the CD audio system after a cd off command.\n" "pause - Pause the CD playback.\n" "play (track number) - Plays the specified track one time.\n" "stop - Stops the currently playing track."); Con_Printf ("CD Audio Initialized.\n"); return 0; } void CDAudio_Shutdown (void) { if (!cd_id) return; CDAudio_Stop (); SDL_CDClose (cd_id); cd_id = NULL; } #define CD_f_DEFINED static void CD_f (void) { char *command; int cdstate; if (Cmd_Argc () < 2) return; command = Cmd_Argv (1); if (!strcasecmp (command, "on")) { enabled = true; } if (!strcasecmp (command, "off")) { if (!cd_id) return; cdstate = SDL_CDStatus (cd_id); if ((cdstate == CD_PLAYING) || (cdstate == CD_PAUSED)) CDAudio_Stop (); enabled = false; return; } if (!strcasecmp (command, "play")) { CDAudio_Play (atoi (Cmd_Argv (2)), false); return; } if (!strcasecmp (command, "loop")) { CDAudio_Play (atoi (Cmd_Argv (2)), true); return; } if (!strcasecmp (command, "stop")) { CDAudio_Stop (); return; } if (!strcasecmp (command, "pause")) { CDAudio_Pause (); return; } if (!strcasecmp (command, "resume")) { CDAudio_Resume (); return; } if (!strcasecmp (command, "eject")) { CDAudio_Eject (); return; } if (!strcasecmp (command, "info")) { if (!cd_id) return; cdstate = SDL_CDStatus (cd_id); Con_Printf ("%d tracks\n", cd_id->numtracks); if (cdstate == CD_PLAYING) Con_Printf ("Currently %s track %d\n", playLooping ? "looping" : "playing", cd_id->cur_track + 1); else if (cdstate == CD_PAUSED) Con_Printf ("Paused %s track %d\n", playLooping ? "looping" : "playing", cd_id->cur_track + 1); return; } }